NO.7 NO SHIFTING [5R55S]

id0503c1801200

7	No shifting
DESCRIPTION	•  Single shift range only. •  Sometimes it shifts correctly.
POSSIBLE CAUSE	•  When the gear position is fixed in 4GR due to the fail-safe operation, the malfunction is in the AT. •  Perform malfunction diagnosis according to No.6 “LOW MAXIMUM SPEED AND POOR ACCELERATION”. 1.  Clutch slippage, burned •  Line pressure low •  Shift solenoid A malfunction •  Shift solenoid B malfunction •  Shift solenoid C malfunction •  Pressure control solenoid A, B and C malfunction •  Body ground malfunction •  Control valve body malfunction 2.  Signal malfunction •  OSS sensor malfunction •  Sensor ground malfunction •  Accelerator pedal position sensor malfunction •  IAT sensor malfunction •  VSS signal malfunction 3.  Transmission fixed in 4GR (Operation in fail-safe function) •  Short or open circuit in wiring harness •  Poor connection of connector •  Disconnected shift solenoid connector •  Poor ground of shift solenoid •  Fluid pump malfunction •  Overdrive planetary malfunction •  Center support malfunction •  Direct clutch malfunction •  Overdrive servo/band malfunction